阅读下面材料，在空白处填入适当的内容（1个单词）或在括号内单词的正确形式（不超过3个单词）。
I borrowed ___ story book from the library the other day and took it home. One evening, having finished supper, I went back to my room and started to read the book that I ______ (borrow). I was so ______ (absorb) that I knocked the coffee cup over ____ accident, pouring the coffee onto the book. Wet through and colored brown, the book turned out to be a ____ (terribly) mess at once. Of course, I couldn’t return the dirty book and the loss should be covered. The next day, I went to the ___ (big) bookstore in my city, ___ there were various kinds of books. I finally found several ___ (copy) of the same book and bought _____. When I returned the new story book and explained the reason, the librarian accepted the book and praised me for my honesty and _____ (responsible).